linux/drivers/clk/mediatek/clk-mt8183-mm.c
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   1// SPDX-License-Identifier: GPL-2.0
   2//
   3// Copyright (c) 2018 MediaTek Inc.
   4// Author: Weiyi Lu <weiyi.lu@mediatek.com>
   5
   6#include <linux/clk-provider.h>
   7#include <linux/platform_device.h>
   8
   9#include "clk-mtk.h"
  10#include "clk-gate.h"
  11
  12#include <dt-bindings/clock/mt8183-clk.h>
  13
  14static const struct mtk_gate_regs mm0_cg_regs = {
  15        .set_ofs = 0x104,
  16        .clr_ofs = 0x108,
  17        .sta_ofs = 0x100,
  18};
  19
  20static const struct mtk_gate_regs mm1_cg_regs = {
  21        .set_ofs = 0x114,
  22        .clr_ofs = 0x118,
  23        .sta_ofs = 0x110,
  24};
  25
  26#define GATE_MM0(_id, _name, _parent, _shift)                   \
  27        GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift,     \
  28                &mtk_clk_gate_ops_setclr)
  29
  30#define GATE_MM1(_id, _name, _parent, _shift)                   \
  31        GATE_MTK(_id, _name, _parent, &mm1_cg_regs, _shift,     \
  32                &mtk_clk_gate_ops_setclr)
  33
  34static const struct mtk_gate mm_clks[] = {
  35        /* MM0 */
  36        GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
  37        GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
  38        GATE_MM0(CLK_MM_SMI_LARB1, "mm_smi_larb1", "mm_sel", 2),
  39        GATE_MM0(CLK_MM_GALS_COMM0, "mm_gals_comm0", "mm_sel", 3),
  40        GATE_MM0(CLK_MM_GALS_COMM1, "mm_gals_comm1", "mm_sel", 4),
  41        GATE_MM0(CLK_MM_GALS_CCU2MM, "mm_gals_ccu2mm", "mm_sel", 5),
  42        GATE_MM0(CLK_MM_GALS_IPU12MM, "mm_gals_ipu12mm", "mm_sel", 6),
  43        GATE_MM0(CLK_MM_GALS_IMG2MM, "mm_gals_img2mm", "mm_sel", 7),
  44        GATE_MM0(CLK_MM_GALS_CAM2MM, "mm_gals_cam2mm", "mm_sel", 8),
  45        GATE_MM0(CLK_MM_GALS_IPU2MM, "mm_gals_ipu2mm", "mm_sel", 9),
  46        GATE_MM0(CLK_MM_MDP_DL_TXCK, "mm_mdp_dl_txck", "mm_sel", 10),
  47        GATE_MM0(CLK_MM_IPU_DL_TXCK, "mm_ipu_dl_txck", "mm_sel", 11),
  48        GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 12),
  49        GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 13),
  50        GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 14),
  51        GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 15),
  52        GATE_MM0(CLK_MM_MDP_TDSHP, "mm_mdp_tdshp", "mm_sel", 16),
  53        GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 17),
  54        GATE_MM0(CLK_MM_MDP_WDMA0, "mm_mdp_wdma0", "mm_sel", 18),
  55        GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 19),
  56        GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 20),
  57        GATE_MM0(CLK_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_sel", 21),
  58        GATE_MM0(CLK_MM_DISP_OVL1_2L, "mm_disp_ovl1_2l", "mm_sel", 22),
  59        GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 23),
  60        GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 24),
  61        GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 25),
  62        GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 26),
  63        GATE_MM0(CLK_MM_DISP_CCORR0, "mm_disp_ccorr0", "mm_sel", 27),
  64        GATE_MM0(CLK_MM_DISP_AAL0, "mm_disp_aal0", "mm_sel", 28),
  65        GATE_MM0(CLK_MM_DISP_GAMMA0, "mm_disp_gamma0", "mm_sel", 29),
  66        GATE_MM0(CLK_MM_DISP_DITHER0, "mm_disp_dither0", "mm_sel", 30),
  67        GATE_MM0(CLK_MM_DISP_SPLIT, "mm_disp_split", "mm_sel", 31),
  68        /* MM1 */
  69        GATE_MM1(CLK_MM_DSI0_MM, "mm_dsi0_mm", "mm_sel", 0),
  70        GATE_MM1(CLK_MM_DSI0_IF, "mm_dsi0_if", "mm_sel", 1),
  71        GATE_MM1(CLK_MM_DPI_MM, "mm_dpi_mm", "mm_sel", 2),
  72        GATE_MM1(CLK_MM_DPI_IF, "mm_dpi_if", "dpi0_sel", 3),
  73        GATE_MM1(CLK_MM_FAKE_ENG2, "mm_fake_eng2", "mm_sel", 4),
  74        GATE_MM1(CLK_MM_MDP_DL_RX, "mm_mdp_dl_rx", "mm_sel", 5),
  75        GATE_MM1(CLK_MM_IPU_DL_RX, "mm_ipu_dl_rx", "mm_sel", 6),
  76        GATE_MM1(CLK_MM_26M, "mm_26m", "f_f26m_ck", 7),
  77        GATE_MM1(CLK_MM_MMSYS_R2Y, "mm_mmsys_r2y", "mm_sel", 8),
  78        GATE_MM1(CLK_MM_DISP_RSZ, "mm_disp_rsz", "mm_sel", 9),
  79        GATE_MM1(CLK_MM_MDP_AAL, "mm_mdp_aal", "mm_sel", 10),
  80        GATE_MM1(CLK_MM_MDP_CCORR, "mm_mdp_ccorr", "mm_sel", 11),
  81        GATE_MM1(CLK_MM_DBI_MM, "mm_dbi_mm", "mm_sel", 12),
  82        GATE_MM1(CLK_MM_DBI_IF, "mm_dbi_if", "dpi0_sel", 13),
  83};
  84
  85static int clk_mt8183_mm_probe(struct platform_device *pdev)
  86{
  87        struct device *dev = &pdev->dev;
  88        struct device_node *node = dev->parent->of_node;
  89        struct clk_onecell_data *clk_data;
  90
  91        clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
  92
  93        mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks),
  94                        clk_data);
  95
  96        return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
  97}
  98
  99static struct platform_driver clk_mt8183_mm_drv = {
 100        .probe = clk_mt8183_mm_probe,
 101        .driver = {
 102                .name = "clk-mt8183-mm",
 103        },
 104};
 105
 106builtin_platform_driver(clk_mt8183_mm_drv);
 107